Longines HydroConquest Hydroconquest Automatic 41

Reference L3.649.4.16.6

About this watch

The Longines HydroConquest Automatic 41 is a stunning dive watch that seamlessly blends ruggedness and sophistication. With its robust stainless steel construction, scratch-resistant sapphire crystal glass, and automatic movement featuring a reliable date function, this timepiece is designed for both underwater adventures and formal occasions. The 41mm diameter case, mixed indexes on the white dial, and rotating bezel with a 0-60 scale make it visually striking and easy to read. Whether you're snorkeling in the Caribbean or dancing the night away, the HydroConquest is a true statement piece that embodies adventure and sophistication. Its elegant design, stainless steel bracelet, and reliable clasp ensure comfort and security on the wrist. With a water resistance of 300 meters, this watch is perfect for thrill-seekers who appreciate the ocean's beauty. The Longines caliber L633.5 movement, built on a solid foundation of horological excellence, boasts accuracy and precision. This timepiece is more than just a watch; it's an investment in a legacy of horological excellence.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • 41mm diameter stainless steel case
  • Scratch-resistant sapphire crystal glass
  • Automatic movement with date function
  • Rotating bezel with 0-60 scale for diving
  • Water resistance up to 300 meters
  • Elegant white dial with mixed indexes
  • Stainless steel bracelet and reliable clasp

Specifications

Brand
Longines
Family
HydroConquest
Model
Hydroconquest Automatic 41
Reference
L3.649.4.16.6
Movement
l633-5
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
Stainless Steel 41mm
Dial Color
White
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] Longines Hydroconquest Green Dial Black Bezel

Longines Hydroconquest Green Dial Black Bezel

Longines - Hydroconquest · $1,250
  • Condition: Perfect
  • Year Of Purchase: August 2025
  • Crown And Buckle Straps: 2 additional
  • Shipping Info: US only
Posted at
Apr 1, 2026, 9:51 AM
Active
[WTS] Longines Hydroconquest GMT - 41mm - Sunray Brown - Box and Papers - Excellent Condition

Longines Hydroconquest GMT - 41mm - Sunray Brown - Box and Papers - Excellent Condition

The Longines Hydroconquest GMT features a 41mm stainless steel case, a true GMT movement, and a brown sunray dial with a brown ceramic bezel insert. It has a quick-adjust bracelet and a sapphire crystal with anti-reflective coating.

  • Condition: Excellent, some minor hairline scratches on the bracelet
  • Case size: 41mm
  • Lug width: 21mm
  • Thickness: 12.8mm
Posted at
Mar 31, 2026, 1:25 PM
Active
[WTS] Longines Hydroconquest with Box+Papers

Longines Hydroconquest with Box+Papers

A gently used Longines Hydroconquest in excellent condition, complete with box, papers, and original accessories.

  • Condition: Near perfect with minor scratches on the back of the lugs
  • Box And Papers: Included
  • Bracelet Links: Extra links after sizing
  • Warranty Card: Included
Posted at
Mar 22, 2026, 5:10 PM
Active
[WTS] OEM Longines HydroConquest GMT 41mm Black Rubber Strap (21mm) w/ OEM Deployant Clasp – Excellent

OEM Longines HydroConquest GMT 41mm Black Rubber Strap (21mm) w/ OEM Deployant Clasp – Excellent

A Longines HydroConquest GMT watch with a 41mm black rubber strap and deployant clasp, featuring a comfortable on-the-fly micro-adjust mechanism. The watch has been worn sparingly and shows minimal signs of wear.

  • Condition: Lightly used
  • Lug width: 21mm
  • Clasp type: deployant
Posted at
Mar 22, 2026, 3:26 PM
Active
[WTS] Longines Hydroconquest GMT - Sunray Brown - 41mm- Full Kit - Excellent Condition

Longines Hydroconquest GMT - Sunray Brown - 41mm- Full Kit - Excellent Condition

A Longines Hydroconquest GMT 41mm with a sunray brown dial and ceramic bezel insert, featuring an updated bezel and quick-adjust bracelet. It has a true GMT movement that keeps excellent time.

  • Condition: Excellent
  • Case size: 41mm
  • Lug-to-lug: 49.2mm
  • Thickness: 12.8mm
Posted at
Mar 21, 2026, 12:28 PM
Active
Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.

Longines HydroConquest, L3.781.4.06.9, Steel Diver, Olive, Excellent Condition.

Longines - L3.781.4.06.9 · $1,095
This Longines HydroConquest is a steel diver's watch with an olive green matte dial and a unidirectional rotating ceramic bezel. The stainless steel case measures 41mm in diameter and has a water resistance of up to 300 meters.

  • Condition: Excellent Condition
  • Case Diameter: 41mm
  • Thickness: 11.9mm
  • Bezel Type: Unidirectional rotating Green Ceramic
Posted at
Feb 5, 2025, 2:47 AM
Active